What is a cookie?
Cookies are small text files which are sent to your device when you visit a website. Cookies are then sent back to the originating website on each subsequent visit, or to another website that recognises that cookie. Cookies act as a memory for a website, allowing that website to remember your device on your return visits. Cookies can also remember your preferences, improve the user experience as well as tailor the adverts you see to those most relevant to you.
You can find more information about cookies, including how to see what cookies have been set on your device and how to manage and delete them at www.aboutcookies.org.